CN219866546U - Normally closed electromagnetic valve - Google Patents
Normally closed electromagnetic valve Download PDFInfo
- Publication number
- CN219866546U CN219866546U CN202321013025.6U CN202321013025U CN219866546U CN 219866546 U CN219866546 U CN 219866546U CN 202321013025 U CN202321013025 U CN 202321013025U CN 219866546 U CN219866546 U CN 219866546U
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- valve
- valve seat
- core
- air outlet
- normally closed
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- 238000007789 sealing Methods 0.000 claims abstract description 51
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 15
- 238000001179 sorption measurement Methods 0.000 description 9
- 238000004043 dyeing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a normally closed electromagnetic valve, which is characterized by comprising a valve seat, wherein an air inlet is arranged in the middle of the right end of the valve seat, an air outlet is arranged in the middle of the top end of the valve seat, a mounting cylinder is fixedly arranged in the middle of the bottom end of the valve seat, a circular valve core is slidably arranged in the middle of the inner side of the valve seat, a spring is fixedly arranged in the middle of the inner side of the valve core, an electromagnetic coil is arranged in the middle of the top end of the spring, an iron core is arranged in the middle of the inner side of the mounting cylinder, the iron core is fixedly arranged in the middle of the inner side of the valve core, a circular sealing plug is arranged in the middle of the bottom end of the valve core, the sealing plug is slidably arranged in the middle of the inner side of the air outlet, and a sealing ring is arranged in the middle of the bottom end of the valve core. According to the valve seat sealing device, the valve seat is sealed, and meanwhile, the sealing plug and the sealing ring are arranged in the middle of the bottom end of the valve core, so that the valve seat can be sealed, and the valve core is protected.
Description
Technical Field
The utility model relates to the technical field of electromagnetic valves, in particular to a normally closed electromagnetic valve.
Background
The normally closed electromagnetic valve is suitable for an executing mechanism which takes steam as a heat medium and carries out automatic temperature control. The normally closed electromagnetic valve can be used for two-position automatic control and remote control of steam pipelines of steam heating devices, radiators, dryers and other steam devices and boiler steam pipelines of various temperature automatic controllers, steam setting machines, steam damping machines and other complete equipment, and is widely applied to self-control systems of dyeing, spinning, printing and dyeing, food, medicines, cigarettes, cement products, petrochemical industry, metallurgy and other departments. When the electromagnetic valve is installed, the arrow on the valve body is required to be consistent with the flow direction of a medium, the electromagnetic valve cannot be installed in a place where direct dripping or splashing exists, the electromagnetic valve is required to be vertically installed upwards, normal operation in the fluctuation range of 15% -10% of rated voltage of the power supply voltage is ensured, after the electromagnetic valve is installed, reverse pressure difference cannot be generated in a pipeline, the electromagnetic valve is required to be electrified for a plurality of times, the electromagnetic valve can be formally put into use after being suitable for temperature, the pipeline is required to be thoroughly cleaned before the electromagnetic valve is installed, and the introduced medium is required to be free of impurities. A filter is arranged in front of the valve, and when the electromagnetic valve fails or is cleaned, a bypass device is also arranged to ensure that the system continues to operate.
The traditional solenoid valve mostly adopts the hard seal between steel ball and the metal to adopt the line seal form between the two, in long-time use, the crack damage appears easily on the seal line, thereby makes the leakproofness not good, the condition that appears leaking gas and liquid produces.
For this purpose, we propose a normally closed solenoid valve to solve the above problem.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a normally closed electromagnetic valve, wherein a valve core is slidably arranged in the middle of the inner side of a valve seat, a spring and an iron core are arranged in the middle of the inner side of the valve core, electromagnetic force is generated by an electromagnetic coil, and the iron core is subjected to electromagnetic adsorption, so that the iron core drives the valve core to slide in the vertical direction in the middle of the inner side of the valve seat, when the valve core slides to the middle of the upper part of an air inlet, the battery valve is in an open state, and after the electromagnetic valve is powered off, the valve core slides downwards under the pushing of the spring, so that the valve core seals the air inlet and the air outlet.
The technical aim of the utility model is realized by the following technical scheme:
the normally closed electromagnetic valve comprises a valve seat, an air inlet is formed in the middle of the right end of the valve seat, an air outlet is formed in the middle of the top end of the valve seat, an installation cylinder is fixedly arranged in the middle of the bottom end of the valve seat, a circular valve core is slidably arranged in the middle of the inner side of the valve seat, a spring is fixedly arranged in the middle of the inner side of the valve core, an electromagnetic coil is arranged in the middle of the top end of the spring, the electromagnetic coil is fixedly arranged at the top of the inner side of the installation cylinder, an iron core is arranged in the middle of the inner side of the spring, and the iron core is fixedly arranged in the middle of the inner side of the valve core.
Electromagnetic force is generated through the electromagnetic coil, electromagnetic adsorption is carried out on the iron core, so that the iron core drives the valve core to slide in the vertical direction at the middle part of the inner side of the valve seat, when the valve core slides to the middle part of the upper part of the air inlet, the battery valve is in an open state, after the electromagnetic valve is powered off, the electromagnetic coil stops running, and the iron core losing electromagnetic adsorption is pushed by the spring at the moment, so that the valve core slides downwards, and the air inlet and the air outlet are sealed.
Further, the middle part of the bottom end of the valve core is provided with a circular sealing plug, the sealing plug is matched with the air outlet, and the sealing plug is slidably arranged in the middle part of the inner side of the air outlet.
When the sealing plug is positioned in the middle of the inner side of the air outlet, the air outlet is sealed.
Further, a sealing ring is arranged in the middle of the bottom end of the valve core, and the sealing ring is positioned in the middle of the top end of the sealing plug.
The sealing ring is used for reinforcing the avoidance effect, so that gaps are avoided between the valve core and the valve seat, and the situation that the battery valve is not tightly sealed is avoided.
Further, an air inlet pipe is fixedly arranged in the middle of the inner side of the air inlet, and the air inlet pipe is vertically connected with the valve seat.
Further, an air outlet pipe is fixedly arranged in the middle of the inner side of the air outlet, the air outlet pipe is L-shaped, and the air outlet pipe and the air inlet pipe are in a vertical direction.
Furthermore, the valve seat and the mounting cylinder are fixed by welding.
Furthermore, the sealing plug and the sealing ring are made of rubber materials.
Through setting up sealing plug and sealing washer into the rubber material, the rubber material has elasticity, when playing sealed effect to the solenoid valve, can also play the effect of protection to the case, avoid the case to collide between case and the disk seat under the elasticity effect that the spring produced, thereby lead to the case to appear damaging the condition production.
In summary, the utility model has the following beneficial effects:
1. the valve core is slidably arranged in the middle of the inner side of the valve seat, the spring is arranged in the middle of the inner side of the valve core, the iron core is arranged in the middle of the inner side of the spring, the electromagnetic coil is arranged in the middle of the top end of the spring, after the electromagnetic valve is electrified, electromagnetic force is generated through the electromagnetic coil, the iron core is subjected to electromagnetic adsorption, so that the iron core drives the valve core to slide in the vertical direction in the middle of the inner side of the valve seat, when the valve core slides to the middle of the upper side of the air inlet, the battery valve is in an open state, after the electromagnetic valve is powered off, the electromagnetic coil stops running, and at the moment, the iron core losing electromagnetic adsorption slides downwards under the pushing of the spring, so that the air inlet and the air outlet are sealed;
2. through being provided with circular shape sealing plug and sealing washer in the bottom middle part of case, when the sealing plug is in the inboard middle part of gas outlet to make play sealed effect to the gas outlet, when playing sealed effect to the solenoid valve through the sealing washer, can also play the effect of protection to the case, avoid the case to collide under the elasticity promotion that the spring produced between case and the disk seat, thereby lead to the case to appear damaging and produce.
Drawings
Fig. 1 is an overall construction diagram of a normally closed electromagnetic valve in the present embodiment;
FIG. 2 is an exploded view of the internal components of the normally closed solenoid valve of this embodiment;
fig. 3 is a side sectional view of the normally closed solenoid valve in the present embodiment.
In the figure: 1. a valve seat; 2. an air inlet; 3. an air outlet; 4. an air inlet pipe; 5. an air outlet pipe; 6. a mounting cylinder; 7. a valve core; 8. an iron core; 9. a spring; 10. an electromagnetic coil; 11. a sealing plug; 12. and (3) sealing rings.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-3, a normally closed electromagnetic valve in a preferred embodiment of the present utility model comprises a valve seat 1, an air inlet 2 is arranged in the middle of the right end of the valve seat 1, an air outlet 3 is arranged in the middle of the top end of the valve seat 1, a mounting cylinder 6 is fixedly mounted in the middle of the bottom end of the valve seat 1, a circular valve core 7 is slidably mounted in the middle of the inner side of the valve seat 1, a spring 9 is fixedly mounted in the middle of the inner side of the valve core 7, an electromagnetic coil 10 is arranged in the middle of the top end of the spring 9, the electromagnetic coil 10 is fixedly mounted at the top of the inner side of the mounting cylinder 6, an iron core 8 is arranged in the middle of the inner side of the spring 9, and the iron core 8 is fixedly mounted in the middle of the inner side of the valve core 7.
Through slidable mounting at the inboard middle part of disk seat 1 has case 7, after the solenoid valve circular telegram, produce electromagnetic force through solenoid 10, carry out electromagnetic adsorption to iron core 8, thereby make iron core 8 drive case 7 carry out the vertical direction at the inboard middle part of disk seat 1 and slide, when case 7 slides to the top middle part of air inlet 2, thereby make the battery valve be in open condition, after the solenoid valve outage, solenoid 10 stops the operation, the iron core 8 that has lost electromagnetic adsorption this moment is under the promotion that spring 9 produced, make case 7 slide downwards, thereby make air inlet 2 and gas outlet 3 seal.
Referring to fig. 2-3, a circular sealing plug 11 is arranged in the middle of the bottom end of the valve core 7, the sealing plug 11 is matched with the air outlet 3, the sealing plug 11 is slidably arranged in the middle of the inner side of the air outlet 3,
by arranging the round sealing plug 11 at the middle part of the bottom end of the valve core 7, the sealing plug 11 plays a role in sealing the air outlet 3 when being positioned at the middle part of the inner side of the air outlet 3.
Referring to fig. 2-3, a sealing ring 12 is arranged in the middle of the bottom end of the valve core 7, and the sealing ring 12 is positioned in the middle of the top end of the sealing plug 11.
The sealing effect can be enhanced through the sealing ring 12, so that gaps are avoided between the valve core 7 and the valve seat 1, and the situation that the battery valve is not tightly sealed is avoided.
Referring to fig. 1, an air inlet pipe 4 is fixedly installed in the middle of the inner side of the air inlet 2, the air inlet pipe 4 is vertically connected with the valve seat 1, an air outlet pipe 5 is fixedly installed in the middle of the inner side of the air outlet 3, the air outlet pipe 5 is L-shaped, and the air outlet pipe 5 and the air inlet pipe 4 are in a vertical direction.
Referring to fig. 1-3, the valve seat 1 and the mounting cylinder 6 are welded and fixed.
Referring to fig. 2-3, the sealing plug 11 and the sealing ring 12 are made of rubber.
Through setting sealing plug 11 and sealing washer 12 to the rubber material, the rubber material has elasticity, when playing sealed effect to the solenoid valve, can also play the effect of protection to case 7, avoid case 7 under the elasticity effect that spring 9 produced for collide between case 7 and the disk seat 1, thereby lead to case 7 to appear damaging the condition and produce.
The working principle of the utility model is as follows:
after the electromagnetic valve is electrified, electromagnetic force is generated through the electromagnetic coil 10 to carry out electromagnetic adsorption on the iron core 8, so that the iron core 8 drives the valve core 7 to slide in the vertical direction at the middle part of the inner side of the valve seat 1, when the valve core 7 slides to the middle part above the air inlet 2, the battery valve is in an open state, after the electromagnetic valve is powered off, the electromagnetic coil 10 stops running, and the iron core 8 losing electromagnetic adsorption at the moment slides downwards under the pushing of the spring 9, so that the air inlet 2 and the air outlet 3 are closed.
Simultaneously through being provided with circular shape sealing plug 11 and sealing washer 12 in the bottom middle part of case 7, when sealing plug 11 is in the inboard middle part of gas outlet 3 to make and play sealed effect to gas outlet 3, when playing sealed effect to the solenoid valve through sealing washer 12, can also play the effect of protection to case 7, avoid case 7 under the elasticity effect that spring 9 produced for collide between case 7 and the disk seat 1, thereby lead to the case production that the case 7 damaged to appear.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The normally closed electromagnetic valve is characterized by comprising a valve seat (1), wherein an air inlet (2) is formed in the middle of the right end of the valve seat (1), an air outlet (3) is formed in the middle of the top end of the valve seat (1), and an installation cylinder (6) is fixedly installed in the middle of the bottom end of the valve seat (1);
the valve seat is characterized in that a circular valve core (7) is slidably mounted in the middle of the inner side of the valve seat (1), a spring (9) is fixedly mounted in the middle of the inner side of the valve core (7), an electromagnetic coil (10) is arranged in the middle of the top end of the spring (9), the electromagnetic coil (10) is fixedly mounted at the top of the inner side of the mounting cylinder (6), an iron core (8) is arranged in the middle of the inner side of the spring (9), and the iron core (8) is fixedly mounted in the middle of the inner side of the valve core (7).
2. The normally closed solenoid valve according to claim 1, wherein: the valve core is characterized in that a circular sealing plug (11) is arranged in the middle of the bottom end of the valve core (7), the sealing plug (11) is matched with the air outlet (3), and the sealing plug (11) is slidably mounted in the middle of the inner side of the air outlet (3).
3. The normally closed solenoid valve according to claim 2, wherein: the middle part of the bottom end of the valve core (7) is provided with a sealing ring (12), and the sealing ring (12) is positioned in the middle of the top end of the sealing plug (11).
4. The normally closed solenoid valve according to claim 1, wherein: an air inlet pipe (4) is fixedly arranged in the middle of the inner side of the air inlet (2), and the air inlet pipe (4) is vertically connected with the valve seat (1).
5. The normally closed solenoid valve according to claim 4, wherein: the air outlet pipe (5) is fixedly arranged in the middle of the inner side of the air outlet (3), the air outlet pipe (5) is L-shaped, and the air outlet pipe (5) and the air inlet pipe (4) are in a vertical direction.
6. The normally closed solenoid valve according to claim 4, wherein: the valve seat (1) and the mounting cylinder (6) are fixed by welding.
7. The normally closed solenoid valve according to claim 2, wherein: the sealing plug (11) and the sealing ring (12) are made of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321013025.6U CN219866546U (en) | 2023-04-28 | 2023-04-28 | Normally closed electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321013025.6U CN219866546U (en) | 2023-04-28 | 2023-04-28 | Normally closed electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219866546U true CN219866546U (en) | 2023-10-20 |
Family
ID=88336420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321013025.6U Active CN219866546U (en) | 2023-04-28 | 2023-04-28 | Normally closed electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219866546U (en) |
-
2023
- 2023-04-28 CN CN202321013025.6U patent/CN219866546U/en active Active
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| GR01 | Patent grant |